1/* Compute sine and cosine of argument. 2 Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, write to the Free 18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 19 02111-1307 USA. */ 20 21#include <machine/asm.h> 22#include "bp-sym.h" 23#include "bp-asm.h" 24 25#define PARMS LINKAGE /* no space for saved regs */ 26#define ANGLE PARMS 27#define SINP ANGLE+12 28#define COSP SINP+PTR_SIZE 29 30 .text 31ENTRY (BP_SYM (__sincos)) 32 ENTER 33 34 movsd %xmm0, -8(%rsp) 35 fldl -8(%rsp) 36 fsincos 37 fnstsw %ax 38 testl $0x400,%eax 39 jnz 1f 40 fstpl (%rsi) 41 fstpl (%rdi) 42 43 LEAVE 44 retq 45 461: fldpi 47 fadd %st(0) 48 fxch %st(1) 492: fprem1 50 fnstsw %ax 51 testl $0x400,%eax 52 jnz 2b 53 fstp %st(1) 54 fsincos 55 fstpl (%rsi) 56 fstpl (%rdi) 57 58 LEAVE 59 retq 60END (BP_SYM (__sincos)) 61weak_alias (BP_SYM (__sincos), BP_SYM (sincos)) 62